binding - What is the Monotouch/C# equivalent of id<SomeType> in ObjectiveC? -


good day,

i have:

objectivec:

- (void)addtarget:(id<gpuimageinput>)newtarget;

c#: 

[basetype (typeof(nsobject))]   interface  gpuimageoutput{     [export ("addtarget")]     void addtarget(nsobject newtarget); //suspected source of error }

results in "unrecognized selector sent instance" when calling 

stillcamera.addtarget (filter);

and

gpuimage.gpuimageoutput filter = new gpuimage.gpuimagesketchfilter ();

while basetype of stillcamera videocamera has basetype gpuimageoutput.

gpuimagesketchfilter gpuimagesobeledgedetectionfilter gpuimagetwopassfilter gpuimagefilter gpuimageoutput nsobject , @ same time implements gpuimageinput.

any ideas?

thank you!

the equivalent 

 // objective-c   id<foo> xxx;

is "foo" in c#.


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